Walmart has massively marked down a highly-rated pulse oximeter that's designed to monitor your heart rate and blood oxygen levels whether you're at home or playing sports. If you want a better ...

These small electronic devices detect both your pulse and blood oxygen level with a pair of LEDs and ... price far below what a commercial pulseox meter would cost. FDA approval not included.

grey seals regulate their breath-holding by tracking blood oxygen, with research confirming carbon dioxide has no effect.

Makers of medical devices that quickly measure oxygen levels in the blood would have to gather extra data to show that their products work for patients of color, under a new federal proposal ...